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NVIDIA - install on ubuntu 20.04

install nvidia driver and cuda dev toolkit

#nvidia   #cuda   #install  

Table of Content

Install driver#

ubuntu-drivers devices
sudo ubuntu-drivers autoinstall
reboot

Tip

set /etc/apt/sources.list to us.archive.ubuntu.com

Check after install#

nvidia-smi

+-----------------------------------------------------------------------------+
| NVIDIA-SMI 510.60.02    Driver Version: 510.60.02    CUDA Version: 11.6     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:58:00.0 Off |                  N/A |
| N/A   43C    P0    N/A /  N/A |      9MiB /  2048MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A       991      G   /usr/lib/xorg/Xorg                  4MiB |
|    0   N/A  N/A      1634      G   /usr/lib/xorg/Xorg                  4MiB |
+-----------------------------------------------------------------------------+

Warning

After Kernel/OS update the driver stop working sometimes
Reinstall the driver solve the problem

# 510 - driver version
sudo apt install --reinstall nvidia-driver-510
sudo apt install --reinstall nvidia-dkms-510

cuda toolkit#

Nvidia install page

Environment#

.bashrc
export PATH=/usr/local/cuda-11.6/bin${PATH:+:${PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda-11.6/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
export CUDA_HOME=/usr/local/cuda

Tip

trick to avoid adding an extra : when $PATH is not set. 

${PATH:+:${PATH}}

cuDNN#

NVIDIA cuDNN is a GPU-accelerated library of primitives for deep neural networks.

Nvidia download

Warning

Need nvidia membership to download cuDNN

Install#

install-guide

sudo dpkg -i cudnn-local-repo-ubuntu2004-8.4.0.27_1.0-1_amd64.deb 
sudo apt-key add /var/cudnn-local-repo-*/7fa2af80.pub
sudo apt-get update
sudo apt install libcudnn8=8.4.0.27-1+cuda11.6